function loadImg(fn1, cap1, thm){  // load gallery.asp page img
  var imgg = document.getElementById('imgGal');
  var imgt = document.getElementById('imgThm'+thm);
  var divc = document.getElementById('divCap');
  var altlnk = '';
  if (imgg != null) {
    imgg.src = 'icm09/img/gal/'+fn1+'.jpg';
    divc.innerHTML = cap1 + altlnk;
  }
}

var hpp = ['CFI6', 'Drake4', 'holcim3', 'lamar1', 'KMG2'];
var nxtImg = 2;
var topis1 = true;

function FadeEffect(element){
  new Effect.Fade(element, { duration:2});
}
function ShowEffect(element){
  new Effect.Appear(element,{duration:2, from:0.0, to:1.0});
}

function rotateImg(){  // rotate home page img
  var imgtop = document.getElementById('homeImg1');
  var imgbot = document.getElementById('homeImg2');
  if (topis1 != true) {
    imgtop = document.getElementById('homeImg2');
    imgbot = document.getElementById('homeImg1');
  }
  if (imgtop != null) {
    if (imgtop.style.display == "none") { //top faded, load next image
      imgtop.src= 'icm09/img/gal/'+hpp[nxtImg]+'.jpg';
      nxtImg = (nxtImg+1)%hpp.length;
      topis1 = !(topis1);
    }
    else {
      FadeEffect(imgtop);
      ShowEffect(imgbot);
    }
  }
}
rotateImg();
var imgInterval = setInterval("rotateImg()", 3000);